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..0, <br />WSolartity <br />3055 Clearview Way <br />San Mateo, CA. 94402 <br />[888)-SOL-C*TY (765-2489) www.solarcity·com <br />F ECE,fVE *4tit U <br />AUG 2 9 2013 <br />August 26, 2013 City of Sarita Ana <br />Project/Job # 927394 <br />RE: COVER LETTER <br />Project:Tran Residence <br />5314 W 3rd St <br />Santa Ana, CA 92703 <br />To Whom It May Concern, <br />A jobsite survey of the existing framing system was performed by an audit team from Solarfity. The attached structural calculations are <br />based on site observations and design criteria listed below: <br />Design Criteria: <br />- Applicable Codes = 2010 CBC, ASCE 7-05, and 2005 NDS <br />- Roof Dead Load = 10 psf (MP1, MP2) 9 psf (MP3) <br />- Roof Live Load = 19 psf(MP1, MP2) 19 psf (MP3) <br />- Ground Snow Load = 0 psf <br />- Risk Category = II, Wind Speed = 85 mph, Exposure Category C <br />- Solar modules = As indicated in attached drawings. <br />On the above referenced project, the structural roof framing has been reviewed for loading from the PV system on the roof. The <br />structural review, including the plans and calculations only apply to the section of roof that is directly supporting the PV system and its <br />supporting elements. After review it, was determined that the existing structure is adequate to carry the PV' system loading. <br />The structural roof framing and the new attachments that directly supportthe gravity loading from PV modules have been reviewed <br />and determined to meet or exceed requirements of the 2010 CBC. <br />Please contact me with any further questions or concerns regarding this project. <br />Sincerely, <br />Stiharj Raghavan, P.E. <br />Civil Engineer <br />Main: 888.765.2489, x5470 <br />email: sraghavan@solarcity.com 91%15 *O.075169 'g <br />Digitally signed by Srihari Raghavan %40Lgi.99 <br />Date: 2013.08.26 15:31:56 -07'00' <br />r-1,